Possibly the Greatest Alchemist of All Time

A representative from Sidonia insists that the blasphemous magician using Light Magic to create toilets be surrendered or the Church of Holy Light will withdraw all their priests from Barcula. The king finds this hilarious and invites their bothersome priests to leave whenever they want. Takumi is invited to meet the king. Maria suspects Sofia has fallen in love with Takumi. Nolyn informs Takumi about sending him a year into the past, so the other three heroes won't even be summoned for several months. Takumi creates a coach for the week-long journey and at Maria's urging hunts down a Drake Horse, a monster known to be much faster that normal horses. Maple makes friends with an injured Drake so Takumi places it with Maple in his storage dimension, unaware storing an untamed monster is highly dangerous, and he passes out. Maria and Sofia worry he might die since the magical strain keeps him unconscious, yet he can't release the Drake until he wakes up, or Maple opens the dimension from the inside. Sofia is able to use telepathy to reach Maple who opens the dimension and places the Drake in the garden. Takumi eventually awakens, tames the Drake and names her Camellia. (Source: Wikipedia)