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Touya Mochizuki (望月冬夜, Mochizuki Touya?) is the main protagonist of In Another World With My Smartphone. After accidentally being killed by God, Touya is reincarnated into another world with a favor from God, his smartphone. He is blessed with superior physical and magical strength and has he also has an affinity toward all attributes of magic. He also able to cast all Null magic. He becomes the Sovereign King of Brunhild Dukedom after receiving sovereignty over an area in between Kingdom of Belfast and Regulus Empire.
Touya is a young black haired, blue eyed boy who is 15-years old. During Touya's first arrival, he is shown wearing his school uniform. With help of Zanac Zenfield, he later changes his clothes into the world's black tunic, trousers, and shoes. After his first visit to the capital city of Kingdom of Belfast, he wears a white long coat with fur on the collar and the sleeves.
Touya has a benevolent personality as can be seen when he easily forgiven God for the mistake that God had made even when it had costed his own life. Later as the story progress, he without any grudge have becoming friend with God as shown when the God suddenly and happily called Touya for congratulating his engagement with Yumina or when Touya defended God's name when God was being insulted by Nest, a priest from Ramisshu Holy Kingdom. In addition, he also easily forgiven Renne who had forced to pick-pocket him and yet he helped her when she was into trouble, took her for a lunch, and offered her a place to stay and gave her a job.
He is considerate and chivalrous as he easily lending his hand for other. For example when he helped Elze and Linze from swindle then also fought the men or when he decided to help Yae from being cornered by a group of henchman. Another example can be seen when Touya promptly saved Sakura's life who was severely injured and on the verge of death at Eashen mountain area or when he instantly decided to help a group of Restia Knight fighting a Phrase which then he easily gave 3 swords made from crystal material that he got to Hilda who seemed to like the sword.
Touya also shown to be altruistic as he always willing to help without expecting any repayment. This can be seen in many occasion such as when he immediately raced to save Sue's carriage which being ambushed and then he also thoughtfully recover the duchess's eyes yet he refused the reward from Duke Alfred for saving Sue and Duchess Ellen or when he without second guessing accompanied Duke Alfred to the royal palace and then quickly saved the King of Belfast's life and also found the culprit and yet he refused his noble title accolade afterward.
He also shown to have neither prejudice nor xenophobia toward other species. This value is apparent when he kindly helped Arma who is a beast-kin when she was lost in Alephis Capital City and also expressing irritation when people treated the other species unfairly. He even employs Rain who is a rabbit beastwoman and assigned her as the knight order commander. Furthermore, he even married to a fairy, Leen and a demi-human, Sakura.
In spite of having favorable personality, Touya also shown to have sadistic tendency. Notably, when Touya unaware that what he done on Sango and Kokuyou with continuous 「Slip」 spell was cruel or when he tortured General Bazur inside an airtight box with stinky smell dead slime inside while on the same time he also used continuous 「Slip」 spell on the summoned demon.
Swordsmanship - Touya is able to use swords which allows him to take down enemies. His swordsmanship ability is quite formidable as he can withstand and even scratch Moroha Mochizuki a few times.
Magic - Touya is able to control all 7 magical elements. He also can use any null magic spell as long as he know the incantation. Touya's magic power also superior as mentioned by Linze when they had magic aptitude test which was able to knock down a divine beast using only raw energy. His magic energy regeneration is also very fast as he barely decreased his magic energy because of his regeneration rate even after releasing a huge amount of mana.
Boosted Basic Abilities - Touya received ability boost from World God:
Agility - Touya can dodge an attack and he even can precisely estimate the attack trajectory.
Memory - Touya can easily memorize things which allowed him to learn writing and reading the script of the world's language faster.
Divine Power (神力, Shinriki?) - Because his body made from material exists in Divine Realm, he can use divine power which can be given to "the one who is loved by God".
Love of God (神の愛, Kami no Ai?) - A divine protection from physical and magical damage which given to FAMILY.
FAMILY TRAIT (眷属特性, Kenzoku Tokusei?) - A blessing which gives a new or improved ability to FAMILY.
Smartphone - A mobile device which Touya brought with him as a favor from God. The phone's battery power runs on magical power and while he can't contact anyone in this world or his previous world, Touya can check websites that let him know what is happening in his previous world.
White Coat - A coat which Touya bought from Alephis Royal Capital City's Belkut Armor Shop. The coat is enchanted with magic which allowed the wearer to resist any element of the wearer's magic aptitude but will double the damage of any element other that the wearer's magic aptitude.
Reginleif - Touya's exclusive Frame Gears which crowned with the name of "Successor of Gods" which is colorless due to the usage crystal material as the main material.
I came to my senses, laying on my back and gazing up at the sky. The clouds were floating on gently by, and I could hear birds chirping in the distance. - Touya describing his first sights as he awakens in this new world.
"My name's Mochizuki Touya. Oh, uh Touya's my given name. - Touya introducing himself in the same manner as always.
Touya is the only character to appear on all 11 of the current light novel covers.
Mochizuki Touya (望月冬夜) means Full Moon on a Winter Night.
Because of the difference of the number of days in a year between his past world with his current world, Touya is 17 year old in his current world when he should be 18 in his past world.
Touya is one of two gold class adventurers in the world.