The Angel Next Door Spoils Me Rotten Series by Saekisan, Hanekoto

Amane lives alone in an apartment, and the most beautiful girl in school, Mahiru, lives just next door. They've almost never spoken-until the day he sees her in distress on a rainy day and lends her his umbrella. To return the favor, she offers him help around the house, and a relationship slowly begins to blossom as the distance between them closes...

Amane’s confusing and frustrating life with the angel continues. Spending New Year’s Eve and Valentine's Day with Mahiru only leaves him more unsure about his feelings toward the beautiful girl. Could it be that his clumsy warmth is slowly melting the angel’s cold facade?

Now in their second year of high school, Amane and Mahiru are placed into the same class. Despite Mahiru’s efforts to bring them closer together at school, Amane is reluctant to bridge the gap because of his shyness towards everyone’s “angel.” As he watches Mahiru’s friendliness erode the barriers between her and her classmates, old wounds he once thought were healing begin to resurface...

IT’S TIME FOR CHANGES IN HEAVEN! To take his relationship with Mahiru to the next level, Amane works hard to improve himself so he can stand confidently beside her. However, Amane’s slow-and-steady approach may not be enough, as Mahiru takes bold measures to convey her feelings that Amane can’t afford to ignore… How will Amane respond to the devious actions of the sweet and beautiful angel?